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#!/usr/bin/env python3
import os
import sys
import subprocess
import shutil
import utils
from conf import conf
from conf import sf
import exceptions
import loop
import solution
import exceptions
def all():
base()
gen_nbscript()
parse_kconfig()
gen_requred()
if conf.gen_all_solution_oninit:
try:
solution.generate()
except exceptions.NoSolution:
pass
def base():
print('Initialize base...')
try: os.mkdir(sf(conf.build_folder))
except FileExistsError:
pass
if os.path.isfile(sf(conf.phase_file)):
print("Warning: file " + conf.phase_file + " already exists. Not overwritten.")
else:
loop.phase_set(1)
if os.path.isfile(sf(conf.iteration_file)):
print("Warning: file " + conf.iteration_file + " already exists. Not overwritten.")
else:
loop.iteration_reset()
def parse_kconfig():
"Execute parse_kconfig in linux_sources directory."
if os.path.isfile(sf(conf.symbol_map_file)) and \
os.path.isfile(sf(conf.rules_file)) and \
os.path.isfile(sf(conf.variable_count_file)):
print('Warning: parse_kconfig not executed. Files already exists.')
return
print('Executing parse_kconfig...')
env = dict(os.environ)
wd = os.getcwd()
os.chdir(sf(conf.linux_sources))
parse_kconfig_cmd = [sf(conf.parse_kconfig)]
parse_kconfig_cmd += [sf(conf.linux_kconfig_head), sf(conf.build_folder)]
parse_kconfig_cmd += ['-v', '-v']
utils.callsubprocess("parse_kconfig", parse_kconfig_cmd,
conf.parse_kconfig_output, env=utils.get_kernel_env())
os.chdir(wd)
def gen_requred():
"Generates required depenpency from .config file in linux source tree."
print('Generating required configuration...')
if not os.path.isfile(sf(conf.linux_dot_config)):
raise exceptions.MissingFile(sf(conf.linux_dot_config),
'Generate initial configuration. Execute make defconfig in linux folder. Or use make menuconfig and change configuration.')
utils.build_symbol_map() # Ensure smap existence
srmap = {value:key for key, value in utils.smap.items()}
shutil.copy(sf(conf.dot_config), sf(conf.dot_config_back_file))
with open(sf(conf.dot_config), 'r') as f:
with open(sf(conf.required_file), 'w') as freq:
for line in f:
if (line[0] == '#') or (not '=' in line):
continue
indx = line.index('=')
if (line[indx + 1] == 'y'):
if line[7:indx] == "MODULES": # skip if modules set
raise exceptions.ConfigurationError("Initial kernel configuration must have MODULES disabled.")
freq.write(str(srmap[line[7:indx]]) + "\n")
elif (line[indx + 1] == 'n' or line[indx + 1] == 'm'):
freq.write("-" + str(srmap[line[7:indx]]) + "\n")
def gen_nbscript():
print('Generating nbscript...')
if os.path.isfile(sf(conf.nbscript)):
print("Warning: file " + conf.nbscript +
" already exists. Generation skipped.")
return
wd = os.getcwd()
os.chdir(os.path.dirname(sf(conf.nbscript)))
prefix = os.path.relpath(conf.absroot)
os.chdir(wd)
with open(sf(conf.nbscript), 'w') as f:
f.write('# generated novaboot script. Please don\'t edit unless you know what are you doing.\n')
f.write('load ' + os.path.join(prefix, conf.linux_image) + ' console=ttyS0,115200\n')
f.write('load ' + os.path.join(prefix, conf.buildroot_initram) + '\n')
#################################################################################
if __name__ == '__main__':
all()
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